Sunil Kumar, Yongho Seo

Small methods

2023-10-11

Flexible transparent conductive electrodes (FTCEs) constitute an indispensable component in state-of-the-art electronic devices, such as wearable flexible sensors, flexible displays, artificial skin, and biomedical devic...

Manish Taunk, Sunil Kumar, Amit Aherwar, Yongho Seo

J. of Physics and Chemistry of Solids

2023-10-05

This study investigates the structural and optical properties of doped CuI nanocrystals synthesized using a facile chemical method. Cadmium (Cd) and iron (Fe) were used as dopants, resulting in CuI–Cd and CuI&ndash...

Dongwoon Kang, Sunil Kumar, Yeonjae Lee, Minwook Kim, Van Huy Nguyen, Dinh Cong Nguyen, Naila Nasir, Yongho Seo

Materials Chemistry and Physics

2023-04-27

Owing to their tunable properties, 2D materials including MXenes are widely used in different optoelectronic devices due to their inherent conductivity and transparency. MXenes are a class of 2D materials that can be syn...

Sunil Kumar, Hyun Min Park, Tej Singh, Manjeet Kumar, and Yongho Seo

International Journal of Energy Research

2023-02-03

The novel 2D materials, MXenes, have many remarkable properties, but their stability against oxidation is a major bottleneck in their applications. In this study, we have investigated the stability of Ti3C2Tx MXene for u...

Chulmin Youn, Wonseok Ko, Ayoung Cho, Joonbong Lee, Sang Young Yeo, Yongho Seo, Jonghun lee, Byoung-Sun Lee, Jongsoon Kim & Taekjib Choi

Cellulose

2023-06-26

Cellulose nanocrystals (CNCs) have emerged as a promising templating material due to unique features, such as high surface area, surface hydroxyl groups and rod-like shape, which allow for sustainable nanoscale control o...

Jinwoong Chae and Gunn Kim

PHYSICAL REVIEW B

2023-09-07

Dicalcium nitride (Ca2N) is a two-dimensional (2D) electride with unique electronic behavior. In this study, we use pseudoatomic orbital (PAO) basis sets to investigate its electronic and optical properties. This methodo...

Sungyoung Choi; Dong Yeong Kim; Sung Ryul Choi; Won Young An; Hyung-Tae Lim; Sung-Dae Yim; Jun-Young Park

Ceramics International

2023-08-01

The objective of this study is to determine the durability of polymer electrolyte membrane fuel cells (PEMFCs) in constant current operation incorporated with regular recovery protocol for eliminating reversible performa...

Gwang-Min Park; Kwangho Park; Minkyeong Jo; Muhammad Asif; Yeongeun Bae; Seo-Hyun Kim; Abul Kalam Azad; Sun-Ju Song; Jun-Young Park

J. Alloys and Compd.

2023-12-15

To enhance the electrocatalytic activity in the oxygen reduction and the evolution reactions of air electrode materials, we fabricate a double perovskite structured NdBa0.5Sr0.5Co1.5Fe0.5-xNixO5+δ with triple-condu...

Won Young An, Hyungwoo Lee, Sung Ryul Choi, Sungyong Choi, Hyun-Seok Cho, Minseok Choi and Jun-Young Park

J. of Mater. Chem. A

2023-02-22

To enter the era of a clean and sustainable hydrogen economy, it is crucial to first discover non-noble metal electrocatalysts that can be used for oxygen evolution reactions (OER) of water electrolyzers. Herein, we demo...

Elsye Agustina, Jeung Choon Goak, Suntae Lee, Yongse Kim, Sung Chul Hong , Yongho Seo and Naesung Lee

Nanomaterials

2023-04-10

This study investigated the effect of graphite nanoplatelet (GNP) size and dispersion on the thermal conductivities and tensile strengths of epoxy-based composites. GNPs of four different platelet sizes, ranging from 1.6...